The paper studies the Business Planning and Simulation system (BPS) based on SAP business information warehouse (BW) of a company, analyzes the sales forecasting method of products based on sales prospects of the company and applies artificial neural network forecasting method to model and design.

According to the characteristic of Time Limited Consumable and feature of line in Time Limited Consumable,some key technologies of if one studied,including early warning rule of product guarantee period,real time control strategy of available sale quantity when considering products being overdue,distribution pattern integration in Time Limited Consumable,and business process reengineering.